Finding the Fourth Proportional to 78,382.25, 108,198.51 and 54,522.77

Step by Step Solution

1. Step 1: Write the proportion equation
   78,382.25 : 108,198.51 = 54,522.77 : x
2. Step 2: Convert to fraction form
   78,382.25/108,198.51 = 54,522.77/x
3. Step 3: Cross multiply
   78,382.25x = 108,198.51 × 54,522.77
4. Step 4: Simplify right side
   78,382.25x = 5,899,282,475.07
5. Step 5: Solve for x
   x = 5,899,282,475.07/78,382.25
6. Step 6: Final answer
   x = 75,262.99